← Wells

42-391-31609

Final Completion

O CONNOR THOMAS -C-

REFUGIO County · District 2 · HILCORP ENERGY COMPANY · TOM OCONNOR (5900 SAND)

Permits

5

Max Depth

7,000 ft

First Permit

1982-12-31

Latest Activity

2023-08-25

Lifespan

41 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1983-03-25

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

QUINTANA PET. CORP. 1993-2000→ HILCORP ENERGY COMPANY 2000-2026

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Gas
production & DCA →
Oil
production & DCA →
Oil
production & DCA →
Oil
production & DCA →
Oil
production & DCA →

Formation Tops (10) Elevation 58 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
LARGARTO (Lagarto)1,500 ft-1,442 ft
OAKVILLE 2,750 ft-2,692 ft
CATAHOULA (MIOCENE) (Catahoula)3,300 ft-3,242 ft
CATAHOULA 3,609 ft-3,551 ft
ANAHUAC (MIOCENE) (Anahuac)4,100 ft-4,042 ft
FRIO-GRETA (OLIGOCENE) (Frio)4,365 ft-4,307 ft
MIDDLE FRIO (SINTON) (Frio)5,000 ft-4,942 ft
FRIO 5,068 ft-5,010 ft
LOWER FRIO (OLIGOCENE) (Frio)5,880 ft-5,822 ft
NO CHANGE——

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
✓ 42-391-31839 TOM O'CONNOR(5800SAND)FIELD UNIT · QUINTANA PET. CORP.
0.1 mi
Lagarto 1,500'SURFACE SAND CLAY 1,500'Lagarto 2,750'Oakville 2,750'Catahoula 3,300'Oakville 3,300'Catahoula 3,543'Catahoula 4,100'Anahuac 4,100'Frio 4,358'ANAHAUC 4,365'ANAHAUA 4,365' +9 more
✓ 42-391-31248 TOM O'CONNOR (5800 SD) FLD UNIT · QUINTANA PET. CORP.
0.2 mi
Lagarto 1,500'Oakville 2,750'Lagarto 2,750'Catahoula 3,300'Catahoula 3,300'Anahuac 4,100'Frio 4,362'Frio 4,365'Frio 5,000'Frio 5,000'Frio 5,880'
✓ 42-391-33211 CLEMENT HEARD 42 · HILCORP ENERGY COMPANY
0.2 mi
Catahoula 3,544'Frio 4,320'Jackson —
✓ 42-391-33207 CLEMENT HEARD 41 · HILCORP ENERGY COMPANY
0.2 mi
Catahoula 3,528'Frio 4,316'Jackson —
✓ 42-391-32518 HEARD, CLEMENT · HILCORP ENERGY COMPANY
0.2 mi
Lagarto 2,750'Oakville 3,300'Catahoula 3,560'Catahoula 3,563'Oakville 4,100'Frio 4,316'ANANHUAC 4,365'Anahuac 4,365'Anahuac 4,365'Frio 4,785'Frio 4,785'Frio 5,400' +4 more
✓ 42-391-01132 THOMAS O'CONNOR -C- · QUINTANA PET. CORP.
0.2 mi
Lagarto 1,500'Oakville 2,750'Catahoula 3,300'Catahoula 3,563'Anahuac 4,100'Anahuac 4,100'Frio 4,322'Frio 4,365'Frio 4,365'Frio 5,000'Frio 5,880'Jackson —
✓ 42-391-32533 TOM O'CONNOR (4150 FT. SD.) UNIT · HILCORP ENERGY COMPANY
0.2 mi
Lagarto 2,750'Oakville 3,300'Catahoula 3,566'Catahoula 4,100'Catahoula 4,100'Greta 4,300'Frio 4,318'Anahuac 4,365'Frio 4,785'Frio 5,000'Frio 5,400'Frio 5,800' +2 more
✓ 42-391-01158 THOMAS O'CONNOR 'C' · HILCORP ENERGY COMPANY
0.3 mi
Oakville 2,900'Catahoula 3,548'Catahoula 3,600'Anahuac 4,100'Greta 4,300'Frio 4,330'Frio 5,000'Frio 5,800'Jackson —Jackson —

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (6)

IntervalType
4,374–4,386 ftPerforated
4,402–4,414 ftPerforated
5,145–5,160 ftPerforated
5,221–5,229 ftPerforated
5,684–5,692 ftPerforated
5,789–5,799 ftPerforated

Casing (3)

SizeSet DepthCement
10.75"1,515 ft770 sx
2.875"5,770 ft—
7.625"6,115 ft1,100 sx

Permit History (5)

#893142 Recompletion Final Completion

OCONNOR, THOMAS, -C- · 6,116 ft

2023-08-25

Spud 2023-08-03

#540791 Recompletion Final Completion

O'CONNOR, THOMAS "C" · 6,116 ft

2004-01-16

Spud 2004-01-16

#503505 Recompletion Final Completion

O'CONNOR, THOMAS "C" · 6,116 ft

2000-12-29

Spud 2000-12-27

#348829 Recompletion Final Completion

TOM O'CONNOR (5800'SD)FIELD UNIT · 6,116 ft

1988-07-15

#182835 Drill Final Completion

O'CONNOR, THOMAS "C" · 7,000 ft

1982-12-31

Applications (5)

#893142 A HILCORP ENERGY COMPANY
received 2023-08-22
#540791 A HILCORP ENERGY COMPANY
received 2004-01-15
#503505 A HILCORP ENERGY COMPANY
received 2000-12-28
#348829 A QUINTANA PET. CORP.
received 1988-07-13
#182835 A QUINTANA PET. CORP.
received 1982-12-31

Records & Logs

9 completion filings on record · 3 with log images at RRC.

W-2/G-1 2023-09-15
W-2/G-1 2004-02-12 log on file
W-2/G-1 2004-03-25
W-2/G-1 2001-01-10 log on file
W-2/G-1 2001-03-08
W-2/G-1 1988-12-01 log on file

+3 more filings

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

Google Maps → Explorer Map →
Lat 28.372319
Lon -97.151919

Well Details

Well Number
81
Max Depth
7,000 ft
Drill Type
Vertical
County
REFUGIO
District
2
Operator
HILCORP ENERGY COMPANY
Completed
1983-03-25

Operator

Location
HOUSTON
P-5 Status
X (filed 2026-03-27)
Cum Oil (all leases)
75,699,281 bbl
Cum Gas (all leases)
1,779,939,645 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
3,435